The Strange Power of Unlucky Omens

Why do so many people still feel a flutter of unease when Friday falls on the 13th? Why does breaking a mirror feel ominous, even to those who don't believe in superstitions? These deeply embedded beliefs stretch back centuries — and understanding their origins makes them all the more fascinating.

Friday the 13th: Two Fears Merged Into One

The dread of Friday the 13th is actually the combination of two older, separate superstitions:

  • Fear of the number 13 (triskaidekaphobia): The number 12 has long been considered complete and harmonious — 12 months, 12 apostles, 12 zodiac signs. Thirteen, one step beyond, became associated with disruption. In Norse mythology, the trickster god Loki was the 13th guest at a dinner that ended in tragedy.
  • Fear of Fridays: In Christian tradition, Friday was considered unlucky because it was the day of the Crucifixion. Sailors were historically reluctant to set sail on a Friday.

These two fears merged prominently in the 19th and 20th centuries, and the 1980 horror film franchise cemented the date as culturally ominous in Western minds.

Other Famous Bad-Luck Superstitions and Their Origins

Breaking a Mirror: Seven Years of Bad Luck

Ancient Romans believed the soul renewed itself every seven years. Mirrors, which reflected the soul, were sacred objects. Breaking one was thought to shatter the soul temporarily — requiring seven years to heal. Practically speaking, mirrors were also extremely expensive in ancient times, making breakage a genuinely costly accident that warranted a dramatic deterrent.

Opening an Umbrella Indoors

This superstition is often traced to ancient Egypt, where parasols were used to shade royalty from the sun — a symbol of the sky's protective canopy. Opening one indoors was seen as an insult to the sun god. A more practical Victorian-era explanation: the sharp metal spokes of early umbrellas genuinely posed a hazard when opened in small indoor spaces.

Walking Under a Ladder

In early Christian symbolism, a ladder leaning against a wall forms a triangle — representing the Holy Trinity. Walking through it was seen as violating that sacred space. Practically, a person or object could fall from the ladder, making the superstition a reasonable safety precaution dressed in spiritual clothing.

A Black Cat Crossing Your Path

This superstition varies dramatically by culture. In Medieval Europe, black cats were associated with witchcraft, making a crossing an ill omen. In ancient Egypt and parts of Britain, however, black cats were considered lucky — the exact opposite belief. Context and culture shape the meaning entirely.

The Psychology of Superstition

Superstitions persist because human brains are wired to find patterns, especially when outcomes feel out of our control. When something bad follows an action, the brain links them — even when the connection is purely coincidental. This is called apophenia: the tendency to perceive meaningful connections between unrelated things.

Superstitions also provide a sense of agency. If you believe knocking on wood prevents bad luck, you feel slightly more in control of an uncertain outcome — a comforting illusion that reduces anxiety.

Good Luck Superstitions From Around the World

  • Japan: Finding a spider in the morning is considered lucky.
  • Turkey: Chewing gum at night brings bad luck — it's said to resemble chewing on the dead.
  • Denmark: Saving old, broken dishes to throw at friends' doors on New Year's brings them good fortune.
  • South Korea: Writing someone's name in red ink is considered very bad luck, as red was historically used to write the names of the deceased.

Superstitions remind us that luck is deeply cultural — a mirror held up to our deepest hopes and fears. Whether you avoid ladders or carry a rabbit's foot, these beliefs connect us to generations of humans who shared the same desire: to tilt fortune in their favor.